6ES7223-1BL32-0XB0
Siemens 6ES7223-1BL32-0XB0 – SIMATIC S7-1200 SM 1223 Digital I/O Module is a digital expansion module designed to increase the input and output capacity of a SIMATIC S7-1200 PLC. It provides 16 digital inputs and 16 digital transistor outputs, making it suitable for machine automation, control panels, production lines, and industrial control applications.
The module operates with 24 V DC digital signals. Its 16 inputs support sink/source wiring, while the 16 outputs use 24 V DC transistor switching with 0.5 A output capability. This allows the PLC system to interface with field devices such as proximity sensors, push buttons, limit switches, solenoid valves, contactors through suitable interfaces, and other digital actuators.
The SM 1223 connects to the S7-1200 controller as a digital signal expansion module, providing additional I/O points when the controller's onboard I/O is insufficient.
PRODUCT SPECIFICATIONS
Product : SIMATIC S7-1200 SM 1223
Article Number : 6ES7223-1BL32-0XB0
Module Type : Digital Input/Output Module
Digital Inputs : 16 DI
Input Voltage : 24 V DC
Input Type : Sink/Source
Digital Outputs : 16 DO
Output Type : Transistor
Output Voltage : 24 V DC
Output Current : 0.5 A per output
Supply Voltage : 24 V DC
Permissible Supply Range : 20.4–28.8 V DC
Backplane Bus Current : Max. 185 mA at 5 V DC
Input Groups : 16 inputs in groups of 2
Input Characteristic : IEC 61131 Type 1
Typical Power Loss : Approx. 4.5 W
PLC Family : SIMATIC S7-1200
Product Family : SM 1223 Digital I/O
Weight : Approx. 0.282 kg
HOW IT WORKS
Digital Inputs (16 DI):
The 16 inputs receive ON/OFF signals from field devices. For example:
Sensor / Push Button → SM 1223 DI → S7-1200 CPU
The PLC can detect whether a sensor is ON or OFF and execute the programmed machine sequence.
Digital Outputs (16 DO):
The 16 transistor outputs send 24 V DC switching signals to field devices:
S7-1200 CPU → SM 1223 DO → Solenoid / Actuator / Indicator
With 0.5 A transistor outputs, the module is particularly useful for fast and repetitive digital switching applications.
BENEFITS
- 32 digital I/O points in one expansion module
- 16 DI + 16 DO configuration
- 24 V DC industrial digital signals
- Sink/source-compatible digital inputs
- 0.5 A transistor outputs
- Expands the I/O capacity of an S7-1200 PLC
- Suitable for compact machine-control panels
- Useful for sensor and actuator interfacing
- Supports industrial automation and machine-building applications
MAAN ELECTRO CONTROLS
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